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1 | // $Id$ | |
2 | ||
3 | //************************************************************************** | |
4 | //* This file is property of and copyright by the * | |
5 | //* ALICE Experiment at CERN, All rights reserved. * | |
6 | //* * | |
7 | //* Primary Authors: Matthias Richter <Matthias.Richter@ift.uib.no> * | |
8 | //* * | |
9 | //* Permission to use, copy, modify and distribute this software and its * | |
10 | //* documentation strictly for non-commercial purposes is hereby granted * | |
11 | //* without fee, provided that the above copyright notice appears in all * | |
12 | //* copies and that both the copyright notice and this permission notice * | |
13 | //* appear in the supporting documentation. The authors make no claims * | |
14 | //* about the suitability of this software for any purpose. It is * | |
15 | //* provided "as is" without express or implied warranty. * | |
16 | //************************************************************************** | |
17 | ||
18 | /// @file AliHLTOUTDigitReader.cxx | |
19 | /// @author Matthias Richter | |
20 | /// @date | |
21 | /// @brief HLTOUT data wrapper for simulated AliRoot HLT digit data. | |
22 | /// | |
23 | ||
24 | #include "AliHLTOUTDigitReader.h" | |
25 | #include "AliHLTCDHWrapper.h" | |
26 | #include "AliDAQ.h" | |
27 | #include "TTree.h" | |
28 | #include "TFile.h" | |
29 | #include "TArrayC.h" | |
30 | #include "TBranch.h" | |
31 | #include "TString.h" | |
32 | #include <cassert> | |
33 | ||
34 | /** ROOT macro for the implementation of ROOT specific class methods */ | |
35 | ClassImp(AliHLTOUTDigitReader) | |
36 | ||
37 | AliHLTOUTDigitReader::AliHLTOUTDigitReader(int event, AliHLTEsdManager* pEsdManager, const char* digitFile) | |
38 | : | |
39 | AliHLTOUTHomerCollection(event, pEsdManager), | |
40 | fDigitFileName(digitFile), | |
41 | fpDigitFile(NULL), | |
42 | fpDigitTree(NULL), | |
43 | fMinDDL(-1), | |
44 | fMaxDDL(-1), | |
45 | fppDigitArrays(NULL), | |
46 | fpEquipments(NULL), | |
47 | fNofDDLs(0), | |
48 | fCurrentLink(-1) | |
49 | { | |
50 | // constructor | |
51 | // | |
52 | // HLTOUT data wrapper for simulated AliRoot HLT digit data | |
53 | // | |
54 | // see header file for class documentation | |
55 | } | |
56 | ||
57 | AliHLTOUTDigitReader::~AliHLTOUTDigitReader() | |
58 | { | |
59 | // destructor | |
60 | CloseTree(); | |
61 | ||
62 | if (fpDigitFile) { | |
63 | fpDigitFile->Close(); | |
64 | delete fpDigitFile; | |
65 | fpDigitFile=NULL; | |
66 | } | |
67 | } | |
68 | ||
69 | Bool_t AliHLTOUTDigitReader::ReadNextData(UChar_t*& data) | |
70 | { | |
71 | // overloaded from AliHLTOUTHomerCollection: switch to next DDL | |
72 | if (!fppDigitArrays && (!ReadArrays() || !fppDigitArrays)) | |
73 | return kFALSE; | |
74 | ||
75 | if (fCurrentLink>=fNofDDLs) | |
76 | return kFALSE; | |
77 | ||
78 | while (++fCurrentLink<fNofDDLs) { | |
79 | if (fMinDDL>-1 && fMinDDL>fpEquipments[fCurrentLink]) continue; | |
80 | if (fMaxDDL>-1 && fMaxDDL<fpEquipments[fCurrentLink]) continue; | |
81 | AliHLTCDHWrapper cdh((void*)fppDigitArrays[fCurrentLink]->GetArray()); | |
82 | UInt_t headerSize=cdh.GetHeaderSize(); | |
83 | if (fppDigitArrays[fCurrentLink]->GetSize()>(int)headerSize) { | |
84 | data=reinterpret_cast<UChar_t*>(fppDigitArrays[fCurrentLink]->GetArray()); | |
85 | data+=headerSize; | |
86 | return kTRUE; | |
87 | } | |
88 | } | |
89 | return kFALSE; | |
90 | } | |
91 | ||
92 | int AliHLTOUTDigitReader::Reset() | |
93 | { | |
94 | // overloaded from AliHLTOUTHomerCollection: reset DDL position | |
95 | fCurrentLink=-1; | |
96 | return 0; | |
97 | } | |
98 | ||
99 | int AliHLTOUTDigitReader::GetDataSize() | |
100 | { | |
101 | // overloaded from AliHLTOUTHomerCollection: get size of current DDL | |
102 | if (fCurrentLink>=0 && fCurrentLink<fNofDDLs && fppDigitArrays) { | |
103 | AliHLTCDHWrapper cdh((void*)fppDigitArrays[fCurrentLink]->GetArray()); | |
104 | return fppDigitArrays[fCurrentLink]->GetSize()-cdh.GetHeaderSize(); | |
105 | } | |
106 | return 0; | |
107 | } | |
108 | ||
109 | AliHLTCDHWrapper AliHLTOUTDigitReader::GetDataHeader() | |
110 | { | |
111 | // overloaded from AliHLTOUTHomerCollection: get data header of current DDL | |
112 | if (fCurrentLink>=0 && fCurrentLink<fNofDDLs && fppDigitArrays) { | |
113 | return AliHLTCDHWrapper(fppDigitArrays[fCurrentLink]->GetArray()); | |
114 | } | |
115 | return NULL; | |
116 | } | |
117 | ||
118 | void AliHLTOUTDigitReader::SelectEquipment(int /*equipmentType*/, int minEquipmentId, int maxEquipmentId) | |
119 | { | |
120 | // overloaded from AliHLTOUTHomerCollection: select equipment range | |
121 | fMinDDL=minEquipmentId; | |
122 | fMaxDDL=maxEquipmentId; | |
123 | } | |
124 | ||
125 | int AliHLTOUTDigitReader::GetEquipmentId() | |
126 | { | |
127 | // overloaded from AliHLTOUTHomerCollection: get id of current DDL | |
128 | if (fCurrentLink>=0 && fCurrentLink<fNofDDLs && fpEquipments) { | |
129 | return fpEquipments[fCurrentLink]; | |
130 | } | |
131 | return -1; | |
132 | } | |
133 | ||
134 | bool AliHLTOUTDigitReader::ReadArrays() | |
135 | { | |
136 | // Read the data from the root file and HLTOUT raw tree. | |
137 | // Retrieve the number of branches and allocate arrays acording | |
138 | // to that. After initialization of the arrays and variables, the | |
139 | // event fEnvent is read. | |
140 | bool result=false; | |
141 | ||
142 | if (GetCurrentEventNo()<0) { | |
143 | HLTWarning("no event selected, no data available"); | |
144 | return false; | |
145 | } | |
146 | ||
147 | // 2011-06-06 in order to support AliHLTReconstructor option 'ignore-hltout' for | |
148 | // digits, the file name can be set to NULL, nothing done in that case | |
149 | if (!fDigitFileName) return false; | |
150 | ||
151 | if (!fpDigitFile) { | |
152 | fpDigitFile=new TFile(fDigitFileName); | |
153 | } | |
154 | if (!fpDigitFile) return false; | |
155 | if (fpDigitFile->IsZombie()) return false; | |
156 | ||
157 | fpDigitFile->GetObject("rawhltout", fpDigitTree); | |
158 | if (!fpDigitTree) { | |
159 | return false; | |
160 | } | |
161 | ||
162 | vector<int> equipments; | |
163 | int iTotal=0; | |
164 | TIter iter(fpDigitTree->GetListOfBranches()); | |
165 | while (TBranch* br=(TBranch *)iter.Next()) { | |
166 | iTotal++; | |
167 | TString bname=br->GetName(); | |
168 | if (bname.BeginsWith("HLT_") && bname.EndsWith(".ddl")) { | |
169 | bname.ReplaceAll("HLT_", ""); | |
170 | bname.ReplaceAll(".ddl", ""); | |
171 | if (bname.IsDigit()) { | |
172 | int equipment=bname.Atoi(); | |
173 | int index=equipment-AliDAQ::DdlIDOffset("HLT"); | |
174 | if (index>=0 && strcmp(br->GetName(), AliDAQ::DdlFileName("HLT", index))==0) { | |
175 | equipments.push_back(equipment); | |
176 | } else { | |
177 | HLTWarning("equipment mismatch: skipping id %d (out of range of HLT equipments)", equipment); | |
178 | } | |
179 | } | |
180 | } | |
181 | } | |
182 | HLTDebug("found %d HLT branche(s) out of %d", equipments.size(), iTotal); | |
183 | ||
184 | if (equipments.size()>0) { | |
185 | fNofDDLs=equipments.size(); | |
186 | fpEquipments=new int[fNofDDLs]; | |
187 | fppDigitArrays=new TArrayC*[fNofDDLs]; | |
188 | if (fpEquipments && fppDigitArrays) { | |
189 | memcpy(fpEquipments, &equipments[0], fNofDDLs*sizeof(int)); | |
190 | int i=0; | |
191 | for (i=0; i<fNofDDLs; i++) { | |
192 | fppDigitArrays[i]=NULL; | |
193 | fpDigitTree->SetBranchAddress(AliDAQ::DdlFileName("HLT", fpEquipments[i]-AliDAQ::DdlIDOffset("HLT")), &fppDigitArrays[i]); | |
194 | } | |
195 | fpDigitTree->GetEvent(GetCurrentEventNo()); | |
196 | for (i=0; i<fNofDDLs; i++) { | |
197 | if (fppDigitArrays[i]) { | |
198 | HLTDebug("branch %s: %d byte(s)", AliDAQ::DdlFileName("HLT", fpEquipments[i]-AliDAQ::DdlIDOffset("HLT")), fppDigitArrays[i]); | |
199 | } | |
200 | } | |
201 | result=true; | |
202 | } else { | |
203 | fNofDDLs=0; | |
204 | } | |
205 | } | |
206 | return result; | |
207 | } | |
208 | ||
209 | int AliHLTOUTDigitReader::CloseTree() | |
210 | { | |
211 | // Cleanup tree and data arrays. | |
212 | int iResult=0; | |
213 | for (int i=0; i<fNofDDLs; i++) { | |
214 | if (fppDigitArrays[i]) delete fppDigitArrays[i]; | |
215 | fppDigitArrays[i]=NULL; | |
216 | } | |
217 | if (fppDigitArrays) delete[] fppDigitArrays; | |
218 | fppDigitArrays=NULL; | |
219 | if (fpEquipments) delete[] fpEquipments; | |
220 | fpEquipments=NULL; | |
221 | if (fpDigitTree) delete fpDigitTree; | |
222 | fpDigitTree=NULL; | |
223 | fNofDDLs=0; | |
224 | fCurrentLink=-1; | |
225 | ||
226 | return iResult; | |
227 | } | |
228 | ||
229 | void AliHLTOUTDigitReader::SetParam(TTree* /*pDigitTree*/, int event) | |
230 | { | |
231 | // set parameter for this HLTOUT instance | |
232 | // The function is for internal use only in conjunction with the | |
233 | // AliHLTOUT::New() functions. | |
234 | ||
235 | // TODO: here we have the implemented to correct loading of | |
236 | // the digit file from the run loader. At time of writing | |
237 | // (Jun 2008) the AliLoader for the HLT is missing in the AliRoot | |
238 | // framework. | |
239 | fEvent=event; | |
240 | } | |
241 | ||
242 | void AliHLTOUTDigitReader::SetParam(const char* filename, int event) | |
243 | { | |
244 | // set parameter for this HLTOUT instance | |
245 | // The function is for internal use only in conjunction with the | |
246 | // AliHLTOUT::New() functions. | |
247 | ||
248 | if (filename && filename[0]!=0) { | |
249 | fDigitFileName=filename; | |
250 | } else { | |
251 | HLTWarning("no valid digit file provided, using default file %s", fDigitFileName.Data()); | |
252 | } | |
253 | fEvent=event; | |
254 | } |